Patents by Inventor Shale Niskin, deceased

Shale Niskin, deceased has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4852413
    Abstract: Disclosed is a water sampler device including a holder, a plurality of water-collecting containers mounted in a circular arrangement around the periphery of the holder, each of the water-collecting containers having a pair of opposed opened portions with each opened portion including a rotatable valve mounted therein, triggering means for rotating the rotatable valves from an initially closed condition to an opened condition and then back to the closed condition to obtain a sample of the water.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: August 1, 1989
    Inventors: Shale Niskin, deceased, by Deborah E. Niskin, executor